JP2016009878A5 - - Google Patents

Description

  An imaging apparatus according to the present invention includes a pixel array in which a plurality of pixels that output signals corresponding to detected radiation are arranged, and a predetermined number of bits of image data based on signals output from predetermined pixels in the pixel array. And a data processing unit that embeds offset correction data for offset correction of the image data in the bit.

Claims (13)

A pixel array in which a plurality of pixels that output signals corresponding to the detected radiation are arranged;
A data processing unit that embeds offset correction data for offset correction of the image data in predetermined bits of a plurality of bits of image data based on signals output from predetermined pixels in the pixel array;
An imaging device comprising: A temperature sensor for detecting the temperature of the pixel array;
The imaging apparatus according to claim 1, wherein the offset correction data is determined based on temperature data output from the temperature sensor.   The imaging apparatus according to claim 1, wherein the data processing unit embeds the offset correction data in a plurality of bits including the least significant bit or the least significant bit of the pixel data of the plurality of bits. .   The data processing unit embeds the offset correction data in pixel data corresponding to a plurality of continuous pixels including a leading pixel in a predetermined row or a predetermined column of the pixel array. Item 4. The imaging device according to any one of Items 1 to 3. The pixel array is composed of a plurality of regions,
The data processing unit embeds the offset correction data in pixel data corresponding to a pixel at a common position in each of the plurality of regions. The imaging device described.   The imaging apparatus according to claim 5, wherein the pixels at a common position in each region include at least one of a top pixel, a top row pixel, and a top column pixel in each region. A plurality of the pixel arrays;
Each of the plurality of regions corresponds to the plurality of pixel arrays,
The imaging apparatus according to claim 5, wherein the data processing unit embeds the offset correction data in image data corresponding to pixels at a common position in each pixel array. An AD converter having a plurality of AD converters for converting an analog signal output from the pixel array into a digital signal;
The imaging apparatus according to claim 7, wherein each AD converter corresponds to each of the plurality of regions.   The imaging apparatus according to claim 1, wherein the data processing unit determines the number of bits to embed the offset correction data according to a noise level of the image data. The imaging device according to any one of claims 1 to 9,
An image pickup system comprising: an image processing unit that acquires image data in which the offset correction data is embedded from the image pickup device and performs image processing on the image data using the offset correction data.   The imaging system according to claim 10, wherein the image processing unit performs image processing by switching the offset correction data for each of the plurality of regions. A pixel array in which a plurality of pixels that output signals corresponding to the detected radiation are arranged;
Embedding offset correction data for offset correction of the image data in predetermined bits of a plurality of bits of image data based on signals output from predetermined pixels in the pixel array;
Image processing in which the offset correction data is embedded, and performing image processing using the offset correction data;
An imaging method characterized by comprising:   A computer program for causing a computer to execute the imaging method according to claim 12.